move paths filter to pull request trigger

Author: sidpalas

.github/workflows/03-triggers.yaml

@@ -8,20 +8,20 @@ on:
       # Filter patterns cheat sheet:
       #   https://docs.github.com/en/actions/writing-workflows/workflow-syntax-for-github-actions#filter-pattern-cheat-sheet
       - "example-branch/*"
+
+  ### https://docs.github.com/en/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows#pull_request
+  pull_request:
+    ## The default is to trigger on the following types of events:
+    types:
+      - opened
+      - synchronize
+      - reopened
     paths:
       # include markdown files
       - "02-mechanics-core/filters/*.md"
       # Exclude txt files
       - "!02-mechanics-core/filters/*.txt"
 
-  ### https://docs.github.com/en/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows#pull_request
-  # pull_request:
-  ### The default is to trigger on the following types of events:
-  #   types:
-  #     - opened
-  #     - synchronize
-  #     - reopened
-
   ### https://docs.github.com/en/actions/writing-workflows/choosing-when-your-workflow-runs/events-that-trigger-workflows#schedule
   # schedule:
   #   - cron: "0 0 * * *" # Midnight UTC